IUCN threat status:

Distribution

Range Description

This lizard occurs in a relatively small areas in southern Texas, and Coahuila, Nuevo Leon, and Tamaulipas, Mexico (McGuire 1996). The range extends from Eagle Pass, Texas, on the north to Mission, Texas, on the southeast (Conant and Collins 1991, see Judd 1985). The Balcones escarpment of the Edwards Plateau in Texas is the northern limit of distribution, and the western distribution limit coincides with the eastern slopes of the Sierra Madre Oriental in Mexico (see Judd 1985).